Launch of IMPACT World+

Berlin, Germany, May 21, 2012 – IMPACT World+, the first worldwide regionalized life cycle impact assessment (LCIA) methodology was launched today in Berlin, Germany during the 6th SETAC World Congress / SETAC Europe 22nd Annual Meeting. The event featured the results of this innovative undertaking spearheaded by a team of leading international LCIA experts and researchers from five countries.

The production and consumption of goods and services generate significant detrimental impacts on the environment. In an era of market globalization, climate change, continued population growth and resource depletion, there is a compelling need for decision-making tools to evaluate the best environmental options. Life cycle assessment (LCA) is an ISO-standardized method that assesses the potential environmental impacts of a product throughout its entire life cycle, from raw material extraction, manufacturing, distribution, use and reuse, maintenance and recycling to its final disposal—a cradle-to-grave approach.

The life cycle impact assessment (LCIA) phase of an LCA aims to establish the relationship between the product or service and its potential environmental impacts (e.g. climate change, toxicity, biodiversity, etc). It answers questions such as what are the potential impacts on ecosystem quality and human health of 1 kg of carbon dioxide, dioxins or NOx emissions released into the atmosphere? Which is worse? LCIA therefore makes it possible to draw conclusions on the best environmental options.

However, LCIA has come under criticism because current methodologies do not account for the spatial variability of environmental impacts, relying instead on average conditions for non-specific areas. For example, a particulate matter emission will currently be considered in the same way in the respiratory effects environmental impact category whether it is emitted in the Sahara or in the middle of Tokyo.

IMPACT World+ was designed out of the need to develop a worldwide regionalized impact assessment method that accounts for local conditions and covers the entire planet. It implements state-of-the art impact modeling approaches developed as a major joint update to existing LCIA methods, including IMPACT 2002+ (Europe), EDIP (Scandinavia) and LUCAS (Canada).

"The IMPACT World+ team is very pleased to have contributed to the development of this novel methodology that extends beyond current regional modeling capabilities to the global level. IMPACT World+ is a further step towards improved transparency and reliability," said Cécile Bulle, who leads the IMPACT World+ team.

Among its most important innovations, IMPACT World+ allows for the regionalized assessment of any geo-referenced emission/resource use and considers the uncertainty and spatial variability related to an unknown emission location by associating the corresponding geographic variability to each modeled impact score at a given geographical scale. IMPACT World+ has also led to major developments in the characterization modeling of human and ecosystem toxicity, acidification, water use, land use and eutrophication as well as multiple improvements in other impact categories.

When making an LCA-based decision, IMPACT World+ ensures that local issues all over the globe are considered in an environmental impact profile of a product or service assessed by the best scientific knowledge and approaches available. It is also the first LCIA method to quantify the certainty of a decision by determining, for example, that product A has an 85% probability of generating fewer impacts than product B.

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